disodium 4-[3-(4,5-dichloro-2-methylphenyl)-4,5-dihydro-1-[4-[(2-hydroxyethyl)sulphonyl]phenyl]-1H-pyrazol-5-yl]benzene-1,3-disulphonate

4-[[3-(4,5-Dichloro-2-methylphenyl)-4,5-dihydro-1-[4-[(2-hydroxyethyl)sulfonyl]phenyl]-1H-pyrazol]-5-yl]-1,3-benzenedisulfonic acid disodium salt